Britney Is Back. She is SOOOO Back.

She may be a mom of questionable capability. A trashy dresser. And have an addictive personality. But she's still one hell of a pop star.

credits:•The song was written and produced by Dr. Luke and Benny Blanco, released December 2008.•The music video was directed by Francis Lawrence who previously directed the video for “I’m A Slave 4 U” as well as the 2007 film “I Am Legend”.